Jar-closure.



PATENTED MAY 15, 1906.

0. BARNES. JAR ULOSURE. APPLIGATION FILED 11017.12, 1901.

WHA/155555;

finira srarrns ienrnivr orrcn.

JAH-CLOSUPE.

Specification of Letters Patent.

Patented May 15, 1906.

Application iled November l2, 1901. Serial No. 82,003.

To al?, wwnt t nuty concern:

Beit known that I, CHARLES BA'nNns, a citizen of the United States,residing at Zanesville, in the' county of Muskingum, State of Ohio, haveinvented certain new and useful Improvements inflar-Closures and I dohereby declare the following to be a full, clear, and exact descriptionof the invention, such as will enable others skilled in the art to whichit appertains to make and use the same.

This invention relates to closures for jars or bottles; and it has forits object to provide a device of this nature including a gasket ofelastic material, the parts being so constructed and arranged that whenthe cover is pressed into place the gasket will be eX- panded laterallywith its inner edge against the cover and its outer edge against thejar, while the upper face of the gasket will be in contact with thecover and the lower face against the jar. Thus there will be two faceso' the gasket against the cover and two faces against the jar, so thatthere can be no leakage either between the gasket and cover or thegasket and jar, the functions of the gasket being equally distributed.

A further object of the invention is to provide a structure which willaccomplish these results in a simple, cheap, and durable article.

In the drawings forming a portion of this specification, and in whichlike numerals of reference indicate similar parts in the several views,Figure 1 is a vertical section through a jar and its closure embodyingthe present invention. Fig. 2 is a bottom perspective view of the coverof the jar. Fig. 3 is a top plan view of the body of the jar. Fig. 4 isa view similar to Fig. 3 and showing a modification.

Referring now to the drawings, there is shown a jar including a bodyportion 5 and a neck 6, and at the upper end of the neck and at theouter edge thereof is formed the flange 7, the inner face of whichstands at a right angle to the end face 8 of the neck proper, this endface forming, in effect, a shoulder upon which is disposed a gasket 9,which lies with its lower face upon the shoulder and with its outer edgein continuous contact with the inner face of the flange.

The flange 7 projects also outwardly beyond the outer surface of theneck, and the under side or face of the projecting portion is shaped toform the two inclined faces 1() and 11, at the upper ends of which areformed vertical slots or passages through the flange, as indicated bythe reference characters 10 and 11 The cover of the jar consists of thedisk 15, having the stepped cylindrical projections 16 and 17 on itsunder face and concentric with the disk, the under face of the diskexterior to said projections being adapted to lie against the upper faceof the flange 7. The projection 16 is formed to fit snugly within theinclosure of the flange 7, so that its under face will lie directlyabove the face or shoulder 8, and on this under face of the projection16 is formed the annular ridge 18, which in crosssection is triangular,so that when the cover is put in place the ridge will engage the upperface of the gasket. The projection 17 fits snugly into the upper end ofthe neck beyond the shoulder 8 when the cover is in place.

Over the cover is engaged a yoke 19 of usual form, the ends of which areengaged under the inclined faces of the flange 7, the sides of the yokebeing taken through the slots 20 in the edge of the cover. rlhe coverhas a milled edge to facilitate rotation of it to move the ends of theyoke over the inclined faces to draw the cover down upon the jar. As thecover is drawn downwardly the ridge 18 enters the gasket and expands itradially against the side face of the step 17 and the inner face of theflange 7, and at the same time the gasket is compressed against thelower face of the stem 16 and the face 8, thus forming a complete seal.

In Fig. 4 of the drawings the flange 7 is shown as being not continuous,which facilitates engagement of a tool beneath the gasket to disengageit from the face 7 when it may stick.

It will be understood that in practice modifications of the specificconstruction shown may be made and that any suitable materials andproportions may be used in the various parts without departing from thespirit of the invention.

What is claimed is The combination with a vessel having aflat surfacesurrounding its mouth, and an upwardly-extending flange surrounding theflat surface, the under surface of the said flange being inclined instepped relation one incline with the other, of a closure for theopening comprising an annular cap having an outwardly-extending annularflange surround- IOO IIO

ing its upper portion7 said flange having an annular rib upon its lowerface, said rib having a sharp edge7 said closure adapted to lie withinthe opening of the vessel with its flange above the fiat surface, aresilient gasket disposed between the flange of the closure and the flatsurface of the vessel and adapted to be readily expanded by pressure ofthe rib thereagainst, and a yoke extending over the closure and providedwith depending inwardly-turned ends for engagement with the aforesaidinclined surfaces of the first-mentioned flange, the peripheral edge ofthe up# per part of the closure being slotted to receive and lock theyoke in engagement there- 1 5 with and whereby the yoke will draw theclosure downwardly with respect to the vessel7 the said peripheral edgebeing milled.

In testimony whereof l afiiX my signature in presence of two witnesses.

CHARLES BARNES. Witnesses:

RAY CHrLooTE, J. PERLEY HARKNEss.

